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The “small-BIG” arrangement of your source and working images allows you to conveniently work on your working image while maintaining visual reference to your source image at all times. It is the virtual equivalent of taping a small photo to the top left of your canvas. The “small-BIG” arrangement is simple, powerful and empowering. Essentially I zoom out (reduce the magnification) of my source image and place it in the upper left of my screen and then I place a larger magnification of the current working image on the right of my screen. Here's the detailed step-by-step procedure.
With your source image open in Painter, and saved with a P-V-N name in an appropriately named project folder, click the Tab key to hide the palettes.
Click and drag the title bar of the source image window so that the top left corner of the source image window is tucked neatly into the top left corner of the Painter desktop (arrow 1 in Figure 5.3).
Drag the bottom right corner of your source image window frame downwards until it touches the bottom of your screen, and to the left until the source image window occupies approximately 20–25% of the total screen width (arrow 2 in Figure 5.3). Use a smaller percentage if you're working on a large monitor.
Choose Window>Zoom to Fit, or the keyboard shortcut Cmd-0 (Mac)/Ctrl-0 (PC), where “0” is the numeral zero.
Drag the Scale slider, located in the lower left of the source image window frame, slightly to the left to reduce the display magnification of the source image such that a small section of window background shows on left and right of the source image (arrow 3 in Figure 5.3).
Hold the Space bar down, which temporarily turns the cursor into the Grabber tool, while you drag in the source image upwards towards the top of its window frame (arrow 4 in Figure 5.3).